How To Fix RSDD_ZA311 - BW Accelerator indexes rebuilt

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 311

• Message text: BW Accelerator indexes rebuilt

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_ZA311 - BW Accelerator indexes rebuilt ?

  The SAP error message RSDD_ZA311 indicates that the BW Accelerator indexes need to be rebuilt. This typically occurs in the context of SAP BW (Business Warehouse) when the system detects that the indexes used by the BW Accelerator are either corrupted, outdated, or not in sync with the underlying data.
  Cause:
  
  Data Changes: Significant changes in the underlying data (e.g., data loads, deletions, or updates) can lead to inconsistencies in the indexes.
  System Upgrades: After an upgrade or migration, the existing indexes may no longer be valid.
  Corruption: Index corruption can occur due to system failures, improper shutdowns, or other unforeseen issues.
  Configuration Changes: Changes in the configuration of the BW Accelerator or the underlying data model can necessitate a rebuild of the indexes.
  
  Solution:
  To resolve the RSDD_ZA311 error, you will need to rebuild the BW Accelerator indexes. Here are the steps to do so:
  
  Access the BW Administration: Log in to the SAP BW system and navigate to the administration area.
  Open the BW Accelerator: Go to the BW Accelerator management section.
  Rebuild Indexes:
  
  You can initiate the index rebuild process from the BW Administration transaction (e.g., RSA1).
  Look for options related to the BW Accelerator or index management.
  Select the relevant InfoProviders or queries that require index rebuilding.
  Execute the rebuild process. This may take some time depending on the volume of data and the complexity of the indexes.
  
  
  Monitor the Process: Keep an eye on the process to ensure it completes successfully. You can check logs for any errors or warnings during the rebuild.
  Test Queries: After the indexes have been rebuilt, test the relevant queries to ensure they are functioning correctly and performing optimally.
  
  Related Information:
  
  Performance Considerations: Rebuilding indexes can be resource-intensive. It is advisable to perform this operation during off-peak hours to minimize the impact on system performance.
  Regular Maintenance: Regularly monitor the health of the BW Accelerator and schedule periodic index rebuilds as part of your maintenance plan.
  SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional guidance or updates related to the BW Accelerator and index management.
  Backup: Always ensure that you have a backup of your data and configurations before performing significant operations like index rebuilding.
  
  If the problem persists after rebuilding the indexes, it may be necessary to consult SAP support for further assistance.